'Great Doctor' Park Yoon Jae First Appearance, Tempts Kim Hee Sun

Actor Park Yoon Jae appeared for the first time on SBS' "Great Doctor" as Duk Heung.

On the Tuesday episode of "Great Doctor" Duk Heung appeared for the first time and geared up to fight against King Gongmin (Ryu Deok Hwan).

Choi Young (Lee Min Ho) finds out that there is a spy in the palace and he uses the spy in order to put Ki Chul (Yoo Oh Sung) into panic. As Ki Chul remains confused and not knowing what to do next, Choi Young rescues the people who would be helpful for King Gongmin from the palace and Ki Chul panics even more. In order to prepare for the worst, he orders his men to bring Duk Heung.

Duk Heung approaches Yoo Eun Soo (Kim Hee Sun) near the end of the episode and says, "I'm the king's uncle. It's said that you came from the heavens and someone told me that you'd like to have this back," and gives back Yoo Eun Soo's diary. Yoo Eun Soo is incredibly shaken by the prospect of being able to go back to the future. Duk Heung is trying to win her over with her diary and bring her to his side.

As Duk Heung allies with Ki Chul and stands against King Gongmin, it seems that he will form the third party in the love triangle with Choi Young and Yoo Eun Soo.